Stock bin capable of preventing powder from bridging

The utility model relates to the technical field of material processing equipment, in particular to a material bin capable of preventing powder from bridging, which comprises a powder bin and a material supplementing valve, at least one blowback pipe is arranged at the bottom of the powder bin, and the material supplementing valve is arranged at the bottom end of the powder bin. The device is low in manufacturing and mounting cost and simple in structure; according to the utility model, gas is introduced into the powder bin through the blowback gas pipe, so that a powder bridge in the bin can be damaged, and shutdown faults of a weightlessness scale and an extruder caused by the bridging of the bin can be greatly reduced. 本实用新型涉及物料处理设备技术领域，具体公开了一种防止粉料架桥的料仓，包括粉料仓和补料阀，所述粉料仓的底部设置有至少一根反吹管，所述补料阀设置在粉料仓的底端。本实用新型制作安装成本低、结构简单；本实用新型通过反吹气管向粉料仓内通入气体，能够破坏料仓内部的粉料架桥，可以大幅度降低因料仓架桥造成的失重秤及挤出机停机故障。